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Along with it, the replacements for the Chevrolet Tahoe and Suburban and their siblings at GMC and Cadillac. [4] The automotive press has speculated that some GMT900 SUV models may move to the GM Lambda platform. [5] On January 14, 2010, General Motors announced that they will resume development of full-size trucks and SUVs. [6]
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
For 1973, GM redesigned its medium-duty (Class 5–7) truck range for Chevrolet and GMC, slotted between 1-ton trucks and the Class 7–8 H/J and C/M heavy conventional trucks (designed by GMC). Designed by Chevrolet, the trucks mated the Rounded-Line cabs to a heavier-duty frame and a taller hood; with the exception of the steering column and ...
This success was short-lived as the V8 version suffered severe reliability issues. Although GM carried out several redesigns, by the time the engine was trouble-free, the damage to its reputation had been done, and it was discontinued after the 1985 model year. The later design V6 diesel did not have the problems of the V8.
The 6.2 L; 376.0 cu in (6,162 cc) EcoTec3 is a Generation V small-block V8 truck engine (VIN code "J"). The L86 is an LT1 engine modified for truck use with a compression ratio of 11.5 to 1. In 2019, GM introduced the L87 as the successor to the L86. Power and torque remain the same, but whereas the L86's "Active Fuel Management" alternates ...
The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France.
During the latter years of production, 379-and-432-cubic-inch (6.2 and 7.1 L) versions with enlarged crankshaft journals were manufactured as well. GMC produced a 637-cubic-inch (10.4 L) 60° V8 with a single camshaft using the same general layout (bore and stroke) as the 478 V6. The 637 V8 was the largest-displacement production gasoline V8 ...
In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro Motive Division (EMD) in 1941, while Cleveland Diesel retained ...